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7523635 |
Method of producing wheel and the wheel
A method of producing a light alloy wheel with a forging technique, aiming for producing the wheel having a large-diameter disk by use of a small-scale press device, comprising: heating an...
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7353684 |
Method and apparatus of manufacturing drum
An apparatus and method of manufacturing a drum, for use in an appliance such as a dryer, that prevents noise and vibration during operation. The method involves forming a cylindrical drum;...
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7308813 |
Clutch housing and method for manufacturing the same
A method of manufacturing a clutch housing having a boss portion and a drum portion integrally provided with the boss portion, is characterized by steps of integrally forming the boss portion and...
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7290337 |
Manufacturing method for frame body and frame body
In this manufacturing method for a frame body, after ring rolling a metal material to form a ring-shaped member, a rectangular member is formed by pressing and deforming this ring-shaped member in...
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7188418 |
Method of making split fin heat sink
A heat sink for dissipating heat from an electronic component includes a core and a plurality of fins extending outwardly from the core. The fins may be at least partially curved. Each fin may...
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7163763 |
Cold formed battery terminal
A method and apparatus for cold forming a battery terminal having a base and an insert. The insert includes a first portion encapsulated within the base and a second portion that extends beyond a...
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7121128 |
Method of manufacturing elliptic deep-drawn products
A method of manufacturing an elliptic deep-drawn product including a first step of providing an intermediate product and a second step of providing an end product. In the first step, a rotary...
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7021106 |
Apparatus and method for forming internally ribbed or rifled tubes
A plug tool for forming internally helically ribbed tube comprises a plug body for being rotatably disposed in a die orifice of a drawing die. The plug body has a central longitudinal axis, a...
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6925713 |
Method of manufacturing an annular member made from a metal sheet having a peripheral wall
The present invention relates to a disc-shaped material made from metal sheet, provided for the manufacture of a pulley or the like. According to the present invention, even if the metal sheet is...
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6866180 |
Thick-section metal forming via friction stir processing
Friction stir processing (FSP) modifies the surface microstructure of metals so that thick-section metal workpieces can be bent over large angles without formation of surface cracks. A thick...
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6705144 |
Manufacturing process for a radial fin heat sink
A heat dissipation system and method for extracting heat from an integrated circuit device includes a thermally conductive base having substantially planar upper and lower surfaces, the upper...
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6694791 |
Method of spin forming and part made thereof
A method of cold forming a capped cylinder with geometrically spaced torsional engagement radial projections on an exterior side of the capped cylinder is provided. The method includes the step of...
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6651474 |
Device for the fixed-rolling of crankshafts
The invention relates to a device for fixed-rolling radii or recesses on main ( 1, 2, 3, 4, 5 ) or connecting rod bearings ( 1′, 2′, 3′, 4′ ) of crankshafts ( 6 ) by means of fixed rollers...
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6457223 |
Method of manufacturing cosmetic container
A cosmetic container comprising an extruded metal sleeve and at least one plastics part inserted in the sleeve. The plastics part may take the form of a plastics end and/or an insert to ensure...
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6408501 |
Automatic system of manufacturing ball studs for vehicles
An automatic system of manufacturing ball studs for vehicles which establishes various processes inline to diagnose each process and perform production and inventory control. The system comprises a...
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6370776 |
Method of producing a poly-V pulley
The present invention provides a method of producing a poly-V pulley which can economically produce a poly-V pulley of the type that is to be inserted and coupled onto a shaft via a one-way clutch...
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5983689 |
Lubricant for use in hot work
A lubricant is provided for use in hot working such as cross-roll rolling of a seamless steel pipe. It effectively reduces the friction coefficient between the working tools and the material under...
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5979202 |
Method and apparatus for making pipe line steel grooved-end fittings
A method for making a grooved-end pipe fitting from standard pipe includes the steps of bending length of pipe on a press mandrel to form a curved pipe segment with an oval cross section and...
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5931037 |
Yoke of planetary gear-type starter, manufacturing apparatus therefor and manufacturing method thereof
A manufacturing method of a cylindrical yoke including a bottom portion to which an opening 12a is formed to journal the starter output shaft of a planetary gear-type starter incorporating a...
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5927121 |
Method for the manufacture of a gear part
A method of manufacture of a gear part with a bottom area and a circumferential area, which has two portions. One portion extends to one side of the bottom area, while the other portion extends to...
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5806358 |
Method and apparatus for the manufacture of a workpiece having a boss
A method and an apparatus for the manufacture of a workpiece having a boss from a rotationally symmetrical sheet metal blank with a central opening on a spinning or flow-forming machine. In an area...
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5791183 |
Apparatus and method for cold forming a ring on a lead alloy battery terminal including an anti-torque structure
A method and apparatus utilizing a ring forming head to cold form a ring on a lead battery terminal. The apparatus includes a seating station configured to securely position the lead battery...
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5782121 |
Apparatus for the inner profiling of tubes or pipes
A pipe profiling machine improves the utilization of the working length of a profiling stone in the inner profiling of heat exchanger pipes. The press-on width of the revolving roller bodies, such...
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5732581 |
Method for producing a sheet metal poly-V groove pulley and a sheet metal poly-V groove pulley
The present invention relates a method of producing a sheet metal poly-V groove pulley in which a thickened annular peripheral wall of an outer peripheral side of a base plate is holding held and...
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5699689 |
Method of and apparatus for forming a disc-shaped blank
There is provided a method for forming a disc-shaped blank in which a disc-shaped thin plate material is, at an outer peripheral portion thereof, swaged towards an axial side of the plate material...
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5669259 |
Apparatus for high speed production of shells for beverage containers
A reciprocating mechanical press has two laterally spaced rows of tooling components or modules for producing corresponding rows of sheet metal container shells with each stroke of the press. The...
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5651181 |
Method of manufacturing a V-pulley
A ring-shaped flange is molded at one end of a cylindrically-shaped body in a flange molding process. In an edge surface molding process performed after the flange molding process, a...
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5634361 |
Apparatus and method for straightening damaged or bent wheels
This invention provides methods and apparatuses for determining the non-true condition of a damaged metal wheel such as the wheel's radial runout, its lateral runout, and the length of its damaged...
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5622070 |
Method of forming a contoured container
A method of forming a drawn and redrawn and ironed container having a contoured sidewall. A cup is blanked and formed from stock in conventional fashion. A profiled bottom may be formed in the cup...
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5579578 |
Method for producing a rim for a vechicle wheel
An improved method is disclosed for producing a wheel rim for use in a vehicle wheel. The method includes the steps of: (a) providing a flat sheet of material; (b) forming the flat sheet into a...
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5556223 |
Coupling
In a coupling with two sections (1, 12) which are prestressed by a tensioning device with at least one cylindrical tensioning component (16) in which one conical end tranverse to the coupling axis...
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5406819 |
Method and equipment for forming the axle housing of an automobile using an integral steel tube
The invention relates to a method for forming and manufacturing the automobile rear axle housing from an integral steel tube, and to the special equipment for using the said method. The method...
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5327756 |
Method and apparatus for forming spiral grooves internally in metal tubing
A spinner means and method for forming spiral grooves on the interior surface of tubing including a groove forming means having a plurality of external spiral teeth which contact the tubing forming...
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5295378 |
Method for making a precisely machined part
A method by which a generally elongate right cylindrically-shaped part is precisely machined and shaped includes the steps of drawing a disc blank into a cup-shaped blank, subsequently drawing the...
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5237745 |
Method of and apparatus for manufacturing drive plate
A method of manufacturing a driver plate comprises the steps of swaging the outer peripheral portion of a disk-shaped raw material in the radial direction thereof using a swaging die so as to form...
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5237744 |
Method of cold-forming toothed wheels
A method of forming a one-piece sheet metal toothed wheel comprising the steps of rotating (1) a rotary holding unit with the preform secured thereto about the preform axis and an inner portion of...
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5199751 |
Pressure hose coupling collar and method for producing same
A metal collar which is used to construct a coupling for a flexible pressure hose includes a plurality of inner annular beads which are formed by a single stamping operation. Each inner bead is...
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5115655 |
Integrally stiffened rings
A method for preparing rings having an integral stiffening geometric pattern on its outer surface is disclosed. The method employs a variation of the drum rolling process, but it incorporates...
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5069051 |
Method and apparatus for forming threads on a sleeve inner wall
A sleeve constructed of a deformable material has a bore of such diameter as to permit sliding receipt over the forming threads on the end portion of a tap and locating about a reduced diameter...
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5060497 |
Method of forming asymmetrical articles by rolling
A pair of dies are provided of which die faces are formed with depressions sequentially brought into engagement with a particular portion of a workpiece as the workpiece rolls between the die...
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4998344 |
Method of manufacturing a hub
A method of manufacturing a hub includes the following steps: rotary swaging a workpiece to form a semi-product, the workpiece is simultaneously struck by three or more dies from the outer...
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4953275 |
Process for manufacturing alloy wheels for vehicle tires
A process for forming an alloy vehicle wheel from a plate of a cast or forged alloy material including the steps of roll-forming a perimeter portion of the plate to draw material in the perimeter...
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4945783 |
Ring gear with roll formed teeth
A cold-formed ring gear is made from a relatively thin circular metal body, the outer peripheral edge of which is preformed to define a radially inwardly opening U-shaped channel in the outer...
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4942751 |
Process and apparatus for forming internally enhanced tubing
Process of providing the internal portion of tubing with at least one spiral fin, comprising the steps of: providing a first spinner having at least two first external spiral ridges displaced a...
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4936129 |
Method for forming a vehicle wheel
A method of manufacturing vehicle wheels from a disc blank, in which the wheel has rim portions of uniform thickness and different lengths. The wheel is made by spin forging the edge portion of the...
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4922738 |
Process for manufacturing a single piece alloy wheel rim for vehicle tires
A process for forming a single piece rim for vehicle tires comprising the steps of axially deforming a toroid of aluminum alloy material so as to form a hollow tubular element of predetermined...
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4876869 |
Inner grooving process for a metallic tube
An inner grooving process for the tube expanding rolling type by which inner grooves such as wide width grooves or deep grooves which cannot normally be formed readily can be formed with a high...
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4870848 |
Tapered rolled thread bar joint
A machine and process for forming a high strength precision bar joint and more particularly for forming rolled tapered threads on a bar end such as the tapered end of a reinforcing bar used in...
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4854148 |
Cold drawing technique and apparatus for forming internally grooved tubes
Formation of continuous grooves on the internal surface of a tube shell, in a single continuous cold drawing step, in which the tube shell is first sunk in a die over a reduced diameter cylindrical...
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4831705 |
Method of manufacturing a sheet metal poly-V pulley
A method of manufacturing a sheet metal poly-V pulley including forming a tubular peripheral wall integrally from the peripheral edge of bottom wall and forming poly-V grooves in the peripheral...
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